CCNP TSHOOT 6.0 - The Cisco Learning Network
CCNP TSHOOT 6.0 - The Cisco Learning Network
CCNP TSHOOT 6.0 - The Cisco Learning Network
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<strong>CCNP</strong>v6 <strong>TSHOOT</strong><br />
) 53<br />
*Nov 16 17:41:11.397: BGP: 192.168.2.1 rcv message type 1, length (excl. header)<br />
34<br />
*Nov 16 17:41:11.397: BGP: 192.168.2.1 rcv OPEN, version 4, holdtime 180 seconds<br />
*Nov 16 17:41:11.397: BGP: 192.168.2.1 rcv OPEN w/ OPTION parameter len: 24<br />
*Nov 16 17:41:11.397: BGP: 192.168.2.1 rcvd OPEN w/ optional parameter type 2 (C<br />
apability) len 6<br />
*Nov 16 17:41:11.397: BGP: 192.168.2.1 OPEN has CAPABILITY code: 1, length 4<br />
*Nov 16 17:41:11.397: BGP: 192.168.2.1 OPEN has MP_EXT CAP for afi/safi: 1/1<br />
*Nov 16 17:41:11.397: BGP: 192.168.2.1 rcvd OPEN w/ optional parameter type 2 (C<br />
apability) len 2<br />
*Nov 16 17:41:11.397: BGP: 192.168.2.1 OPEN has CAPABILITY code: 128, length 0<br />
*Nov 16 17:41:11.397: BGP: 192.168.2.1 OPEN has ROUTE-REFRESH capability(old) fo<br />
r all address-families<br />
*Nov 16 17:41:11.397: BGP: 192.168.2.1 rcvd OPEN w/ optional parameter type 2 (C<br />
apability) len 2<br />
*Nov 16 17:41:11.397: BGP: 192.168.2.1 OPEN has CAPABILITY code: 2, length 0<br />
*Nov 16 17:41:11.397: BGP: 192.168.2.1 OPEN has ROUTE-REFRESH capability(new) fo<br />
r all address-families<br />
*Nov 16 17:41:11.397: BGP: 192.168.2.1 rcvd OPEN w/ optional parameter type 2 (C<br />
apability) len 6<br />
*Nov 16 17:41:11.397: BGP: 192.168.2.1 OPEN has CAPABILITY code: 65, length 4<br />
*Nov 16 17:41:11.397: BGP: 192.168.2.1 OPEN has 4-byte ASN CAP for: 65502<br />
BGP: 192.168.2.1 rcvd OPEN w/ remote AS 65502, 4-byte remote AS 65502<br />
*Nov 16 17:41:11.401: BGP: 192.168.2.1 went from OpenSent to OpenConfirm<br />
*Nov 16 17:41:11.405: BGP: 192.168.2.1 went from OpenConfirm to Established<br />
*Nov 16 17:41:11.405: %BGP-5-ADJCHANGE: neighbor 192.168.2.1 Up<br />
R1(config-if)#<br />
*Nov 16 17:41:11.433: BGP_Router: unhandled major event code 128, minor 0<br />
R1(config-if)#do u all<br />
All possible debugging has been turned off<br />
If the TCP session is successfully established but consecutively torn down again, the likely cause is that one of<br />
the BGP peers is rejecting one of the parameters in the received Open message from the peer. <strong>The</strong> debug ip<br />
bgp command displays the successive state transitions during the establishment of the BGP peering. If one of the<br />
peers decides to close the session because of a parameter problem, such as a mismatched AS number or invalid<br />
router ID, the debug output displays information about the exact cause.<br />
All contents are Copyright © 1992–2010 <strong>Cisco</strong> Systems, Inc. All rights reserved. This document is <strong>Cisco</strong> Public Information. Page 20 of 27
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